2018 BMW X3 3.0 30d M Sport

Price: £21,995. Fair price: £94 (under 1%) under the AskCar estimate of £22,089, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,992 priced BMW X3 adverts on AskCar as of 2 November 2026.

AskCar lists 3,072 used BMW X3 from 1,209 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: M Sport
  • Version: 3.0 30d M Sport Auto 4WD Euro 6 (s/s) 5dr (261 bhp)
  • Year: 2018
  • Mileage: 64,446 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 3.0 litres, 261 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 157 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW X3 M Sport is advertised with 64,446 miles on the clock. The dealer is asking £21,995, which is £94 below the AskCar estimate of £22,089. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. Since we first spotted the advert 158 days ago, the asking price has dropped by £1,000. The government's MOT record matches its advertised mileage. You can find this car at Selecta Cars in Colchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £94 (under 1%) under the AskCar estimate of £22,089.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW X3 with the 3.0 diesel engine is typically advertised at £22,000: the median of the 64 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW X3 has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £22,995. Its asking price is now £21,995, £1,000 less. The latest price cut was seen on 29 August 2026.

Price changes recorded:

  • 29 May 2026: £22,995
  • 29 August 2026: £21,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 26 February 2027.

It failed its MOT on 19 February 2026 (engine MIL inoperative or indicates a malfunction) and passed later the same day.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; rear inner brake pad(s) wearing thin.

Mileage at that test: 63,452 miles, which matches the advertised 64,446 miles.

Similar cars

43 other 2018 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £15,950 to £29,950, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 64,415 miles. Price: £22,000, the same price as this car. Dealer: Sytner Chigwell BMW in Chigwell. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-657344f6cf37
  • 2018 BMW X3 M Sport, 3.0 diesel SUV, grey. Mileage: 65,692 miles. Price: £21,793, £202 less than this car. Dealer: Group 1 Bedford BMW in Bedford. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-914710dbe065
  • 2018 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 65,715 miles. Price: £20,995, £1,000 less than this car. Dealer: Georgesons Car Sales in Liverpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-b314b45b04f7
  • The nearest: 2018 BMW X3 M Sport, 3.0 diesel SUV, grey, 19 miles from this car. Mileage: 48,000 miles. Price: £25,995, £4,000 more than this car. Dealer: Cavendish UK Car Sales in Sudbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2018-dea507c5df46

Browse all BMW X3 cars for sale · 2018 BMW X3 price guide

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Photos

45 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.